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NFI4
proportion of forest plots
presence of vehicle tracks (soil disturbances) · slope (in 20% classes)
regional demarcation: protection forest region
unit: %, subtotal
evaluation area: accessible forest without shrub forest NFI1-NFI5
grid: 1.4 km grid, subgrids 1-5
state 2009/17
protection forest region
Jura + PlateauNorthwestern AlpsNortheastern AlpsSouthwestern Alps Southeastern AlpsSouthern AlpsSwitzerland
presence of vehicle tracks (soil disturbances)slope (in 20% classes)%±%±%±%±%±%±%±
n/an/a..............
to 20%..............
21-40 %..............
41-60 %..............
61-80 %..............
81-100 %..............
>100%..............
total..............
track type 1 (slight disturbance)n/a0.0.0.0.0.0.0.0.0.0...0.0.
to 20%77.15.441.714.30.0.100.00.00.0...69.45.3
21-40 %21.35.235.514.10.0.0.0.0.0...22.84.9
41-60 %1.61.622.811.8100.00.00.0.100.00.0..7.73.0
61-80 %0.0.0.0.0.0.0.0.0.0...0.0.
81-100 %0.0.0.0.0.0.0.0.0.0...0.0.
>100%0.0.0.0.0.0.0.0.0.0...0.0.
total100.0.100.0.100.0.100.0.100.0...100.0.
track type 2 (moderate disturbance)n/a0.0.0.0.....0.0...0.0.
to 20%81.86.20.0.....0.0...72.56.7
21-40 %13.05.4100.00.0....100.00.0..22.96.4
41-60 %5.23.60.0.....0.0...4.63.2
61-80 %0.0.0.0.....0.0...0.0.
81-100 %0.0.0.0.....0.0...0.0.
>100%0.0.0.0.....0.0...0.0.
total100.0.100.0.....100.0...100.0.
track type 3 (severe disturbance)n/a0.0.0.0.........0.0.
to 20%74.910.90.0.........57.010.9
21-40 %25.110.980.117.9........38.310.7
41-60 %0.0.0.0.........0.0.
61-80 %0.0.19.917.9........4.84.7
81-100 %0.0.0.0.........0.0.
>100%0.0.0.0.........0.0.
total100.0.100.0.........100.0.
no vehicle tracks presentn/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
to 20%44.51.510.31.49.21.62.61.06.51.31.40.620.60.7
21-40 %31.81.424.61.923.12.310.81.917.52.112.21.823.40.8
41-60 %17.11.128.82.029.52.535.02.933.52.629.12.525.80.8
61-80 %5.40.724.61.923.82.333.22.930.82.530.22.519.60.7
81-100 %1.00.37.61.211.61.713.52.18.61.519.02.27.70.5
>100%0.20.14.10.92.90.94.81.33.00.98.11.52.90.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
totaln/a0.0.0.0.0.0.0.0.0.0.0.0.0.0.
to 20%47.81.410.81.49.11.63.01.06.51.31.40.622.80.7
21-40 %30.51.326.01.923.02.310.71.917.72.112.21.823.50.8
41-60 %15.71.028.22.029.72.534.92.933.62.629.12.524.80.8
61-80 %4.90.623.81.923.72.333.12.930.62.530.22.518.80.7
81-100 %0.90.37.21.111.61.713.52.18.51.519.02.27.30.5
>100%0.20.13.90.82.90.94.81.33.00.98.11.52.80.3
total100.0.100.0.100.0.100.0.100.0.100.0.100.0.
© WSL, Swiss National Forest Inventory, 05.03.2024 #1361574/543332

Table citation

Abegg, M.; Ahles, P.; Allgaier Leuch, B.; Cioldi, F.; Didion, M.; Düggelin, C.; Fischer, C.; Herold, A.; Meile, R.; Rohner, B.; Rösler, E.; Speich, S.; Temperli, C.; Traub, B.,
2023: Swiss national forest inventory - Result table No. 1361574. Birmensdorf, Swiss Federal Research Institute WSL

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